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Up to 1800 mm workpiece height • 10T load capacity • CNC-assisted precision
The CJK51 Series is a heavy-duty single-column vertical lathe from the C51 Series, built for precise machining of large-diameter cylindrical components. With a turning capacity of up to 1600mm in diameter and 8-ton loading capability, it is engineered for high-rigidity, high-torque roughing and finishing operations.
CJK51 Series
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On-site installation service
Customized design
Why Choose Our CNC Solutions
Key Features
- ● CNC-Assisted Architecture: Equipped with CNC control and an electronic handwheel, this machine merges manual flexibility with automation precision, making it ideal for semi-automatic workflows and complex geometries.
- ● High-Rigidity Axis Drive: Both X and Z axes are driven by large-diameter ball screws with P4-grade paired bearings and preloaded support structures, ensuring precise feed motion and low backlash during high-load cutting operations.
- ● Integrated System Components: Includes a system-controlled lubrication pump, a complete Schneider electrical setup, an air-conditioned electric cabinet, and an integrated Z-axis bracket with rotary seat for enhanced structural stability.
- ● Flexible Spindle & Drive Options: Offers the choice of a mechanical 16-step gearbox or an AC frequency control with a 4-step mechanical combo. An optional spindle encoder is available for thread turning functionality.
- ● Modular Tool Holder Configuration: Supports multiple tool holder options including a manual 5-position, electric 4/5-position turret, or a BT50 internal broaching mechanism, with the possibility of adding a square ram or other custom tooling systems.
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Recommended Configurations
- ● FANUC / Siemens / GSK / HNC CNC System: Offers multiple system options for customization, allowing users to select the most suitable platform based on local service availability or personal preference.
- ● Encoder-Assisted Threading Function: Enables CNC-controlled thread cutting when paired with a spindle encoder, ideal for repair tasks or short-run production where precision and consistency are required.
- ● Electric 4/5-Station Turret: Facilitates automated tool changes for roughing, finishing, grooving, and threading, all within a single setup, improving production efficiency and reducing downtime.
- ● Built-In Broaching Mechanism (BT50): Supports vertical slotting or internal broaching with minimal setup changes, making it especially suited for processing motor end covers, flanged parts, and similar components.
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Application Case
- ● Client: Mechanical Parts Supplier – Eastern Europe
- ● Workpiece: Ø1850 mm cast iron pump housing
- ● Setup: CJK51 with Siemens CNC, encoder-enabled spindle, electric 4-station turret
- ● Results: • Turning Accuracy: Maintained roundness ≤ 0.03 mm • Cycle Time: Reduced by 22% compared to older manual lathe • Functionality: Enabled threading and taper cutting with digital input
- ● Client Feedback: “The CJK51 lathe combines the flexibility of a conventional lathe with CNC convenience. It's reliable, affordable, and powerful enough for our core operations.”
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Product Specifications
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Frequently Asked Questions
Our vertical turret lathes are ideal for machining heavy, large-diameter, and short-length workpieces, such as flange parts, bearings, valves, and large gear blanks. They are particularly suited for industries like aerospace, wind energy, heavy machinery, and shipbuilding.
Minnuo vertical turret lathe machines achieve positioning accuracy within ±0.01mm and surface roughness up to Ra0.8μm, ensuring excellent precision even for complex contour turning operations.
Yes, our vertical turret lathes are designed for both heavy roughing and precision finishing. Equipped with high-rigidity structures, powerful spindles, and optional live tooling systems, they meet diverse turning requirements in one setup.
Absolutely! Minnuo Company has a strong and fast-responding pre-sales team. If you provide the parts drawings or specifications, we can recommend the appropriate vertical lathe model within 10 minutes for a single machine. For a full production line, we will offer a comprehensive solution within 5 working days.
Yes, Minnuo offers complete customization options for cnc vertical turret lathes, including changes to spindle speed ranges, chuck sizes, motor power, tool turret types, and even special clamping systems to fit your specific production needs.
Our vertical turret lathes are manufactured using top-brand machining centers for parts processing, ensuring high-precision assembly. Each machine undergoes strict geometric accuracy tests and dynamic balancing tests. Quality inspection reports are provided with every shipment.
For standard vertical turret lathe models, we maintain stock and can arrange fast delivery within 7–10 days. Customized vertical lathes are usually delivered within 30–45 working days, depending on specific customer requirements.
All Minnuo vertical turret lathe comes with a one-year warranty. We offer 24-hour technical support through video calls, phone, or on-site services. During the warranty period, any equipment faults are repaired free of charge. Our after-sales team ensures fast troubleshooting to keep your production line running smoothly.
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